WO1998016962A1 - Layout and procedure of charging of batteries - Google Patents

Layout and procedure of charging of batteries Download PDF

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Publication number
WO1998016962A1
WO1998016962A1 PCT/HU1996/000085 HU9600085W WO9816962A1 WO 1998016962 A1 WO1998016962 A1 WO 1998016962A1 HU 9600085 W HU9600085 W HU 9600085W WO 9816962 A1 WO9816962 A1 WO 9816962A1
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WO
WIPO (PCT)
Prior art keywords
unit
batteries
tank
electrolyte
draining
Prior art date
Application number
PCT/HU1996/000085
Other languages
French (fr)
Other versions
WO1998016962A8 (en
Inventor
György Pintz
György Zsombok
Kinga Paczolay
Original Assignee
Pintz Gyoergy
Zsombok Gyoergy
Kinga Paczolay
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pintz Gyoergy, Zsombok Gyoergy, Kinga Paczolay filed Critical Pintz Gyoergy
Priority to DE69622440T priority Critical patent/DE69622440T2/en
Priority to EP96942543A priority patent/EP1029381B1/en
Priority to US09/308,277 priority patent/US6384569B1/en
Priority to AU11677/97A priority patent/AU1167797A/en
Publication of WO1998016962A1 publication Critical patent/WO1998016962A1/en
Publication of WO1998016962A8 publication Critical patent/WO1998016962A8/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
    • H01M6/5077—Regeneration of reactants or electrolyte
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
    • B60L50/72—Constructional details of fuel cells specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/18—Cables specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/53—Batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04186—Arrangements for control of reactant parameters, e.g. pressure or concentration of liquid-charged or electrolyte-charged reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/22—Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
    • H01M8/225—Fuel cells in which the fuel is based on materials comprising particulate active material in the form of a suspension, a dispersion, a fluidised bed or a paste
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
    • H01M8/184—Regeneration by electrochemical means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

Definitions

  • Object of the invention is charging layout of batteries first of all for electric vehicles involving filling station, batteries, one or more inlet conduits and one or more outlet conduits, where the inlet conduits are joined to a distribution unit and the outlet conduits are connected to a draining unit, respectively.
  • Object of the invention is also the procedure for charging batteries first of all for electric vehicles, in the course of which into the batteries regenerated electrolyte will be generally fed in.
  • the aim of the invention is the elimination of the disadvantages of the solutions known up to now and providing a possibility, where the charging of a battery will not need essentially more time than that of the refuelling of a classic engine.
  • the basic idea of the invention is a recognition as follows: performed the charging of the appropriate parts of the batteries by liquid-like materials, i.e. electrode suspensions, instead of electric charge a better solution may be got.
  • the layout of batteries first of all for electric vehicles votving filling station, batteries, one or more inlet conduits and one or more outlet conduits, where the inlet conduits are joined to a distribution unit and the outlet conduits are connected to a draining unit, consists of a distribution unit in connection with an active tank unit of the filling station containing electrode suspension and/or electrolyte and of the draining unit in connection with the collector tank unit of the filling station.
  • the layout according to the invention is characterised by a primary reservoir for electrode suspension and a primary electrolyte reservoir involved into the active tank unit, and by primary draining reservoir and possibly a flushing reservoir involved into, a collector tank unit.
  • One of varieties of the invention is as follows: between the distributing unit and the active tank unit a secondary electrode suspension tank and a secondary electrolyte tank are inserted belonging to the vehicle, and similarly, between the draining unit and the collector tank unit a secondary draining tank is inserted.
  • the battery conduits suitable for transporting liquids are connected to the joining unit of vehicle and the tubes of the filling station are advisably connected to a filling device fitted to the joining unit.
  • the volumes of secondary electrolyte tank and that of the secondary draining tank may be unified through a separating element, but the single volumes may change against each others.
  • Another connection exists between the active tank unit and the collector tank unit through a regenerating unit.
  • the procedure for charging batteries first of all for electric vehicles according to our invention in the course of which into the batteries regenerated electrolyte will be generally fed in, can be characterised by feeding of electrode suspension into the batteries and by its fixing there and by removing of the liquid-like used parts of the batteries from the vehicle.
  • the procedure according to our invention may be characteristic as follows: during the charging process the filling device of a filling station will be joined into the joining unit of the vehicle, the used components of batteries will be transported into the collector tank unit of the filling station and from an active tank unit of the filling station the electrode suspension will be transported into the batteries and it will be distributed uniformly between the electrodes, after its fixation eventual a washing of the batteries may occur, and then the batteries will be filled up with electrolyte and the filling device will be removed from the joining unit.
  • the procedure according to our invention may be also characterised in following way: from the batteries at least one part of the used components of the batteries will be transported into a secondary draining tank of the vehicle, and then or simultaneously from a secondary electrode suspension tank and/or from the secondary electrolyte tank of the vehicle the electrode suspension and/or the electrolyte will be fed into the batteries.
  • the charging of the batteries according to this invention has more advantages.
  • the most important among them is the direct renewing of the batteries being able to drive a vehicle does not occur by direct feeding in of electric charges, but by replacing of some parts of the batteries by their pumping out and in, i.e. their anodes and electrolytes in liquid-like form.
  • the pumped out parts may be regenerated in a central place, for example at the filling station itself.
  • the electric vehicles stay at the station only for the time needed for changing of its liquids.
  • the refuelled car can continue its way in a few minutes.
  • the change of components of battery may only be even partial and this type of refuelling may also have some advantages, i.e. an electric vehicle may be even half-refuelled. This provides a possibility for a refuelling between two filling at stations, so called "on the road refuelling". To provide this possibility the batteries must be completed by other tanks, from them a refuelling may occur.
  • the charging process according to the invention may have advantages concerning environmental aspects, as well.
  • An electric vehicle equipped according to the invention has no pollution only due to its energy producing process. Its emission of harmful substances is equal to zero.
  • Fig. 1 The layout for recharging batteries of electric vehicles.
  • the Fig.l. shows the layout of recharging batteries 3 of an electric vehicle 2 standing at the filling station 1.
  • the distribution unit 5 joins to the inlet conduits 7 of batteries 3, while the draining unit 6 joins to its clraining conduits 8.
  • the electrode suspension, the electrolyte and the used (depleted) components of batteries will be transported to the joining unit 20 by the conduits 4a, 4b and 4c, respectively.
  • the batteries 3 are completed by a fixing unit 24 to fix on and remove of electrode suspension.
  • the collector tank unit 10 of the filling station 1 involves the primary draining reservoir 13 and the flushing reservoir 14, but the active tank unit 9 involves the primary electrolyte reservoir 12 and the primary reservoir for electrode suspension 11.
  • the regenerating unit 23, and the tubes 21a, 21b and 21c are also located at the filling station 1.
  • the charging of batteries 3 of vehicle 2 may occur outside the filling station 1 using the secondary electrode suspension tank 15, the secondary electrolyte tank 16 and the secondary draining tank 17.
  • the secondary electrolyte tank 16 and secondary draining tank 17 united into one unit is shared by a membrane or piston-like separating element 18.
  • the driving unit 22 is connected to the distribution unit 5 and the draining unit 6.
  • Batteries 3 in this invention mean devices being able to transform different types of energies into electric one, for example fuel cells, electrochemical generators, secondary batteries.
  • the batteries 3 are advisably metal-air type ones. An aluminium-air battery may be in this case very advantageous.
  • the secondary electrode suspension tank 15 and the secondary electrolyte tank 16 may be united into one housing.
  • the conduits 4a and 4b may also be united, in case of periodical working even the conduit 4c may be united with them.
  • the tubes 21a, 21b and 21c may also be united.
  • the joining unit 20 may have one or more opening and similarly the filling device 19 may also have the same number of fillmg-drairung conduits.
  • the charging process can be made known as follows: the one of the simplest way is feeding electrode suspension and regenerated electrolyte into the batteries 3, and the used components of batteries 3 will be simultaneously removed from the vehicle 2. Regenerated electrolyte may mean in these cases fresh made electrolyte, as well.
  • the batteries 3 are metal-air type ones.
  • the active tank unit 9 stores the anode suspension and the electrolyte in the primary reservoir for electrode suspension 11 and in the primary electrolyte reservoir 12, respectively.
  • the used parts of batteries 3 will be transported into the primary draining reservoii- 13 of the collector tank unit 10.
  • the fixing of fresh anode and removing of the (partially) depleted one may be accelerated by using an ultrasonic device in the fixing unit 24.
  • the anode suspension may be fed into the inlet conduit 7 through the distribution unit 5.
  • the electrode plates of batteries 3 will be remove from each other and turned into the position where the anode suspension will be fixed better and faster. After these operations they will be turned back into their original positions.
  • the fixing unit may involve a magnetic head, as well, to utilise advantageously this property in its fixing process.
  • the contents of the flushing reservoir 14 will be separated into anode suspension and electrolyte, and the components can be fed back into the active tank unit 9.
  • the depleted components in the primary draining reservoir 13 may be regenerated by electric charges, and afterwards they also can be fed back into the active tank unit 9.
  • the fixing unit 24 removes the electrode plates of the batteries 3 from each other, and either the batteries 3 themselves or only their plates inside will be turned into an appropriate position to help the sedimentation and fixation of anode suspension. Afterwards the fixing unit 24 will rum back everything into their original positions. If the anode suspension is made of a ferromagnetic materiel the fixing unit 24 may have a possible part, as well to utilise advantageously this property in this fixing process.
  • the first and the third phases of the process will be performed at the filling station 1 but its second one will be done independently from it.
  • the first step occurred while the secondary electrolyte tank 16 and the secondary electrode suspension tank 15 of vehicle 2 was filled up during one of our earlier charges from the active tank unit 9 of the filling station 1.
  • the batteries 3 need again charge: in this case the used components will be transmitted into the secondary draining tank 17, the electrode suspension and the electrolyte will be fed into the batteries 3 from the secondary electrode suspension tank 15 and the secondary electrolyte tank 16, respectively.
  • the process is driven by the driving unit 22. After finishing of this phase the vehicle 2 can continue its way.
  • the third phase may occur at a filling station 1 again: the content of the secondary draining tank 17 will be transmitted into the collector tank unit 10 of the filling station 1. Because of the space shortening the secondary electrolyte tank 16 and the secondary chaining tank 17 is united, only their total volume is determined. The united tank is shared into two parts by a separating element 18, working for example according to membrane or piston principle. Being the secondary electrolyte tank 16 full the secondary draining tank 17 is leer, and vice versa.
  • the charging procedure and layout according to the invention may be used first of all for electric vehicles and it makes possible their working to be similar to the internal combustion engines considering as well as the operation radius and "refuelling", which occurs without direct using of electric charges.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Filling, Topping-Up Batteries (AREA)
  • Secondary Cells (AREA)
  • Fuel Cell (AREA)
  • Hybrid Cells (AREA)

Abstract

Object of the invention is a charging layout of batteries first of all for electric vehicles involving filling station, batteries, one or more inlet conduits and one or more outlet conduits, where the inlet conduits are joined to a distribution unit and the outlet conduits are connected to a draining unit. Object of the invention is also the procedure for charging batteries first of all for electric vehicles, in the course of which into the batteries regenerated electrolyte will be generally fed in. The layout of our invention is characterised by the distribution unit (5) in connection with an active tank unit (9) of the filling station (1) containing electrode suspension and/or electrolyte and by the draining unit (6) is connection with the collector tank unit (10) of the filling station (1). The procedure is characterised by feeding of electrode suspension into the batteries (3) and by fixing the electrode suspension there and by removing of the liquid-like used parts of the batteries (3) from the vehicle (2).

Description

Layout and procedure of charging of batteries
DESCRIPTION
Object of the invention is charging layout of batteries first of all for electric vehicles involving filling station, batteries, one or more inlet conduits and one or more outlet conduits, where the inlet conduits are joined to a distribution unit and the outlet conduits are connected to a draining unit, respectively. Object of the invention is also the procedure for charging batteries first of all for electric vehicles, in the course of which into the batteries regenerated electrolyte will be generally fed in.
Numerous demands have to be fulfilled by batteries in electric vehicles. These are reviewed together with the different types of batteries in books, as they follow: Chemical Electric Energy Sources and Their Applications (in Hungarian, Muszaki Konyvkiadό, Budapest, 1978); Battery Reference Book (London, 1990); History of the Electric Automobile (Soc. Automotive Eng., USA, 1994). The charge of the most of modern batteries is even today a time consumption process. This gets rise of difficulties against development of electric vehicles.
The up to now aims of developments were the higlier energy density and economy of such power sources. The following patents show batteries with higher energy density: WO 94-15372 for zinc-bromine, EP 600,718 and EP 458,395 for zinc-air, the EP 391,443 and WO 90-04268 for aluminium-air batteries. According to the patent of WO 92-15120 a fixed accumulator layout of increased capacity is also known, where during the operation electrolytes were continuously pumping out and after their refreshing they will be continuously fed back. But even a battery of higher energy density does not mean any alternative to the internal combustion engines of lower efficiency, because of the great difference in their refuelling times.
The aim of the invention is the elimination of the disadvantages of the solutions known up to now and providing a possibility, where the charging of a battery will not need essentially more time than that of the refuelling of a classic engine. The basic idea of the invention is a recognition as follows: performed the charging of the appropriate parts of the batteries by liquid-like materials, i.e. electrode suspensions, instead of electric charge a better solution may be got.
According to the aim considered above the layout of batteries first of all for electric vehicles votving filling station, batteries, one or more inlet conduits and one or more outlet conduits, where the inlet conduits are joined to a distribution unit and the outlet conduits are connected to a draining unit, consists of a distribution unit in connection with an active tank unit of the filling station containing electrode suspension and/or electrolyte and of the draining unit in connection with the collector tank unit of the filling station.
The layout according to the invention is characterised by a primary reservoir for electrode suspension and a primary electrolyte reservoir involved into the active tank unit, and by primary draining reservoir and possibly a flushing reservoir involved into, a collector tank unit.
One of varieties of the invention is as follows: between the distributing unit and the active tank unit a secondary electrode suspension tank and a secondary electrolyte tank are inserted belonging to the vehicle, and similarly, between the draining unit and the collector tank unit a secondary draining tank is inserted.
The battery conduits suitable for transporting liquids are connected to the joining unit of vehicle and the tubes of the filling station are advisably connected to a filling device fitted to the joining unit. The volumes of secondary electrolyte tank and that of the secondary draining tank may be unified through a separating element, but the single volumes may change against each others. Between the distribution unit and draining unit there is a connection formed by an internal driving unit suitable for driving of the secondary charging of batteries. Another connection exists between the active tank unit and the collector tank unit through a regenerating unit. In another variety of our invention there is a fixing unit connected to the batteries and it is able to help at the fixation and removing of the electrode suspension in and out of the batteries. The procedure for charging batteries first of all for electric vehicles according to our invention, in the course of which into the batteries regenerated electrolyte will be generally fed in, can be characterised by feeding of electrode suspension into the batteries and by its fixing there and by removing of the liquid-like used parts of the batteries from the vehicle.
The procedure according to our invention may be characteristic as follows: during the charging process the filling device of a filling station will be joined into the joining unit of the vehicle, the used components of batteries will be transported into the collector tank unit of the filling station and from an active tank unit of the filling station the electrode suspension will be transported into the batteries and it will be distributed uniformly between the electrodes, after its fixation eventual a washing of the batteries may occur, and then the batteries will be filled up with electrolyte and the filling device will be removed from the joining unit.
The procedure according to our invention may be also characterised in following way: from the batteries at least one part of the used components of the batteries will be transported into a secondary draining tank of the vehicle, and then or simultaneously from a secondary electrode suspension tank and/or from the secondary electrolyte tank of the vehicle the electrode suspension and/or the electrolyte will be fed into the batteries.
The charging of the batteries according to this invention has more advantages. The most important among them is the direct renewing of the batteries being able to drive a vehicle does not occur by direct feeding in of electric charges, but by replacing of some parts of the batteries by their pumping out and in, i.e. their anodes and electrolytes in liquid-like form. The pumped out parts may be regenerated in a central place, for example at the filling station itself. The electric vehicles stay at the station only for the time needed for changing of its liquids. The refuelled car can continue its way in a few minutes.
The change of components of battery may only be even partial and this type of refuelling may also have some advantages, i.e. an electric vehicle may be even half-refuelled. This provides a possibility for a refuelling between two filling at stations, so called "on the road refuelling". To provide this possibility the batteries must be completed by other tanks, from them a refuelling may occur. The charging process according to the invention may have advantages concerning environmental aspects, as well. An electric vehicle equipped according to the invention has no pollution only due to its energy producing process. Its emission of harmful substances is equal to zero.
We present below a more detailed description of the varieties of invention illustrated by a figure:
Fig. 1: The layout for recharging batteries of electric vehicles.
The Fig.l. shows the layout of recharging batteries 3 of an electric vehicle 2 standing at the filling station 1. During recharging the filling device 19 of the filling station 1 will be joined into the joining unit 20 of electric vehicle 2. The distribution unit 5 joins to the inlet conduits 7 of batteries 3, while the draining unit 6 joins to its clraining conduits 8. The electrode suspension, the electrolyte and the used (depleted) components of batteries will be transported to the joining unit 20 by the conduits 4a, 4b and 4c, respectively. The batteries 3 are completed by a fixing unit 24 to fix on and remove of electrode suspension.
The collector tank unit 10 of the filling station 1 involves the primary draining reservoir 13 and the flushing reservoir 14, but the active tank unit 9 involves the primary electrolyte reservoir 12 and the primary reservoir for electrode suspension 11. The regenerating unit 23, and the tubes 21a, 21b and 21c are also located at the filling station 1.
The charging of batteries 3 of vehicle 2 may occur outside the filling station 1 using the secondary electrode suspension tank 15, the secondary electrolyte tank 16 and the secondary draining tank 17. The secondary electrolyte tank 16 and secondary draining tank 17 united into one unit is shared by a membrane or piston-like separating element 18. The driving unit 22 is connected to the distribution unit 5 and the draining unit 6. Batteries 3 in this invention mean devices being able to transform different types of energies into electric one, for example fuel cells, electrochemical generators, secondary batteries. The batteries 3 are advisably metal-air type ones. An aluminium-air battery may be in this case very advantageous. The secondary electrode suspension tank 15 and the secondary electrolyte tank 16 may be united into one housing. The conduits 4a and 4b may also be united, in case of periodical working even the conduit 4c may be united with them. Similarly the tubes 21a, 21b and 21c may also be united. According to the concept applied the joining unit 20 may have one or more opening and similarly the filling device 19 may also have the same number of fillmg-drairung conduits.
The charging process can be made known as follows: the one of the simplest way is feeding electrode suspension and regenerated electrolyte into the batteries 3, and the used components of batteries 3 will be simultaneously removed from the vehicle 2. Regenerated electrolyte may mean in these cases fresh made electrolyte, as well.
In another example for procedures the batteries 3 are metal-air type ones. At the filling station 1 the active tank unit 9 stores the anode suspension and the electrolyte in the primary reservoir for electrode suspension 11 and in the primary electrolyte reservoir 12, respectively. The used parts of batteries 3 will be transported into the primary draining reservoii- 13 of the collector tank unit 10. The fixing of fresh anode and removing of the (partially) depleted one may be accelerated by using an ultrasonic device in the fixing unit 24. Following or simultaneously the anode suspension may be fed into the inlet conduit 7 through the distribution unit 5. By the fixing unit the electrode plates of batteries 3 will be remove from each other and turned into the position where the anode suspension will be fixed better and faster. After these operations they will be turned back into their original positions. If the anode suspension is made of a ferromagnetic material the fixing unit may involve a magnetic head, as well, to utilise advantageously this property in its fixing process.
The excess of anode suspension can be washed out of the batteries 3 by electrolyte and the flushing liquid will be fed through the draining conduit 8 into the flushing reservoir 14. Simultaneously further feeding of electrolyte will be occurred into the batteries 3 from the primary electrolyte reservoir 12. After filling them up ready the connection between the joining unit 20 and the filling device 19 will be broken. In case of batteries 3 using rechargeable cathode, as well, the process is the same to that of anodes.
At the filling station 1 the contents of the flushing reservoir 14 will be separated into anode suspension and electrolyte, and the components can be fed back into the active tank unit 9. The depleted components in the primary draining reservoir 13 may be regenerated by electric charges, and afterwards they also can be fed back into the active tank unit 9.
During the charging the anode suspension gets through the primary reservoir for electrode suspension 11 and the joining unit 20 into the cells of batteries 3. The fixing unit 24 removes the electrode plates of the batteries 3 from each other, and either the batteries 3 themselves or only their plates inside will be turned into an appropriate position to help the sedimentation and fixation of anode suspension. Afterwards the fixing unit 24 will rum back everything into their original positions. If the anode suspension is made of a ferromagnetic materiel the fixing unit 24 may have a possible part, as well to utilise advantageously this property in this fixing process.
There is also a possibility for at least the partially renewing of batteries independent in time and space from the filling station 1. In this case the first and the third phases of the process will be performed at the filling station 1 but its second one will be done independently from it. The first step occurred while the secondary electrolyte tank 16 and the secondary electrode suspension tank 15 of vehicle 2 was filled up during one of our earlier charges from the active tank unit 9 of the filling station 1. In the second phase the batteries 3 need again charge: in this case the used components will be transmitted into the secondary draining tank 17, the electrode suspension and the electrolyte will be fed into the batteries 3 from the secondary electrode suspension tank 15 and the secondary electrolyte tank 16, respectively. The process is driven by the driving unit 22. After finishing of this phase the vehicle 2 can continue its way. The third phase may occur at a filling station 1 again: the content of the secondary draining tank 17 will be transmitted into the collector tank unit 10 of the filling station 1. Because of the space shortening the secondary electrolyte tank 16 and the secondary chaining tank 17 is united, only their total volume is determined. The united tank is shared into two parts by a separating element 18, working for example according to membrane or piston principle. Being the secondary electrolyte tank 16 full the secondary draining tank 17 is leer, and vice versa.
The charging procedure and layout according to the invention may be used first of all for electric vehicles and it makes possible their working to be similar to the internal combustion engines considering as well as the operation radius and "refuelling", which occurs without direct using of electric charges.

Claims

1. Charging layout of batteries first of all for electric vehicles involving filling station, batteries, one or more inlet conduits and one or more outlet conduits, where the inlet conduits are joined to a distribution unit and the outlet conduits are connected to a draining unit, is characterised by the distribution unit (5) in connection with an active tank unit (9) of the filling station (1) containing electrode suspension and/or electrolyte and by the draining unit (6) in connection with the collector tank unit (10) of the filling station (1).
2. The layout according to claim 1 characterised by a primary reservoir for electrode suspension (11) and a primary electrolyte reservoir (12) involved into the active tank unit (9), and by primary draining reservoir (13) and possibly a flushing reservoir (14) involved into a collector tank unit (10).
3. The layout according to claims 1 or 2 characterised as follow: between the distributing unit (5) and the active tank unit (9) a secondary electrode suspension tank (15) and a secondary electrolyte tank (16) are inserted belonging to the vehicle (2), and similarly, between the draining unit (6) and the collector tank unit (10) a secondary draining tank (17) is inserted.
4. The layout according to one or more of claims 1-3 characterised as follow: the battery conduits (4a, 4b, 4c) suitable for transporting liquids are connected to the joining unit (20) of vehicle (2) and the tubes (21a, 21b, 21c) of the filling station (1) are advisably connected to a filling device (19) fitted to the joining unit (20).
5. The layout according to one or more of claims 1-4 characterised by a separating element (18), by which the volume of the secondary electrolyte tank (16) and that of the secondary draining tank (17) may be unified but the single volumes may change against each others.
6. The layout according to one or more of claims 1-5 characterised by the connection between the distribution unit (5) and draining unit (6) by an internal driving unit (22) suitable for driving of the secondary charging of batteries (3).
7. The layout according to one or more of claims 1-6 characterised by the connection between the active tank unit (9) and the collector tank unit (10) through a regenerating unit (23).
8. The layout according to one or more of claims 1-7 characterised by a fixing unit (24) connected to the batteries (3), and it is able to help at the fixation and removing of the electrode suspension in and out of the batteries (3).
9. A procedure for charging batteries first of all for electric vehicles, in the course of which into the batteries regenerated electrolyte will be generally fed in, characterised by feeding of electrode suspension into the batteries (3) and by fixing the electrode suspension there and by removing of the liquid-like used parts of the batteries (3) from the vehicle (2).
10. The procedure according to claim 9 characterised as follow: during the charging process the filling device (19) of a filling station (1) will be joined into the joining unit (20) of the vehicle (2), the used components of batteries (3) will be transported into the collector tank unit (10) of the filling station (1) and from an active tank unit (9) of the filling station (1) the electrode suspension will be transported into the batteries (3) and it will be distributed uniformly between the electrodes, after its fixation eventual a washing of the batteries (3) may occur, and then the batteries (3) will be filled up with electrolyte and the filling device (19) will be removed from the joining unit (20).
11. The procedure according to claim 9 characterised as follow: from the batteries (3) at least one part of the used components of the batteries (3) will be transported into a secondary draining tank (17) of the vehicle (2), and then or simultaneously from a secondary electrode suspension tank (15) and/or from the secondary electrolyte tank
(16) of the vehicle (2) the electrode suspension and/or the electrolyte will be fed into the batteries (3). AMENDED CLAIMS
[received by the International Bureau on 28 October 1997 (28.10.97); original claims 1-11 replaced by amended claims 1-10 (2 pages)]
1. Charging layout of batteries first of all for electric vehicles involving filling station, batteries, one or more inlet conduits and one or more outlet conduits, where the inlet conduits are joined to a distribution unit and the outlet conduits are connected to a draining unit, the draining unit is connected with the collector tank unit of the filling station, is characterised by the distribution unit (5) in connection with an active tank unit (9) of the filling station (1) containing electrode suspension and electrolyte and by a primary reservoir for electrode suspension (11) and a primary electrolyte reservoir (12) involved into the active tank unit (9), and by a fixing unit (24) connected to the batteries (3), and it is able to help fixation and removing of the electrode suspension in and out of the batteries (3).
2. A layout according to claim 1 characterised by a primary draining reservoir (13) and possibly a flushing reservoir (14) included into a collector tank unit (10).
3. A layout according to claims 1 or 2 characterised as follow: between the distributing unit (5) and the active tank unit (9) a secondary electrode suspension tank (15) and a secondary electrolyte tank (16) are inserted belonging to the vehicle (2), and similarly, between the draining unit (6) and the collector tank unit (10) a secondary draining tank (17) is inserted.
4. A layout according to one or more of claims 1-3 characterised as follow: the battery conduits (4a, 4b, 4c) suitable for transporting liquids are connected to the joining unit (20) of vehicle (2) and the tubes (21a, 21b, 21c) of the filling station (1) are advisably connected to a filling device (19) fitted to the joining unit (20).
5. A layout according to one or more of claims 1-4 characterised by a separating element (18), by which the volume of the secondary electrolyte tank (16) and that of the secondary draining tank (17) may be unified but the single volumes may change against each others.
6. A layout according to one or more of claims 1-5 characterised by the connection between the distribution unit (5) and draining unit (6) by an internal driving unit (22) suitable for driving of the secondary charging of batteries (3).
7. A layout according to one or more of claims 1-6 characterised by the connection between the active tank unit (9) and the collector tank unit (10) through a regenerating unit (23).
8. A procedure for charging batteries first of all for electric vehicles, in the course of which the liquid-like used parts of the batteries are being removed from the vehicle [claim 9] and regenerated electrolyte will be fed into the batteries, characterised by feeding of an electrode suspension into the batteries (3) prior to feeding the electrolyte, and by fixing the electrode suspension.
9. A procedure according to claim 8 characterised as follow: during the charging process the filling device (19) of a filling station (1) will be fitted into the joining unit (20) of the vehicle (2), the used components of batteries (3) will be transported into the collector tank unit (10) of the filling station (1) and from an active tank unit (9) of the filling station (1) the electrode suspension will be transported into the batteries (3) and it will be distributed uniformly between the electrodes, after its fixation eventual a washing of the batteries (3) may occur, and then the batteries (3) will be filled up with electrolyte and the filling device (19) will be removed from the joining unit (20).
10. A procedure according to claim 8 characterised as follow: from the batteries (3) at least one part of the used components of the batteries (3) will be transported into a secondary draining tank (17) of the vehicle (2), and then or simultaneously from a secondary electrode suspension tank (15) and/or from the secondary electrolyte tank (16) of the vehicle (2) the electrode suspension and the electrolyte will be fed into the batteries (3).
PCT/HU1996/000085 1996-10-16 1996-12-28 Layout and procedure of charging of batteries WO1998016962A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE69622440T DE69622440T2 (en) 1996-10-16 1996-12-28 ARRANGEMENT AND METHOD FOR CHARGING THE BATTERY
EP96942543A EP1029381B1 (en) 1996-10-16 1996-12-28 Layout and procedure of charging of batteries
US09/308,277 US6384569B1 (en) 1996-10-16 1996-12-28 Layout and procedure of charging of batteries
AU11677/97A AU1167797A (en) 1996-10-16 1996-12-28 Layout and procedure of charging of batteries

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU9602862A HU221405B1 (en) 1996-10-16 1996-10-16 Electric currentless arrangement and method for charging accumulators
HUP9602862 1996-10-16

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WO1998016962A1 true WO1998016962A1 (en) 1998-04-23
WO1998016962A8 WO1998016962A8 (en) 1999-10-21

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HUP9602862A2 (en) 1998-06-29
AU1167797A (en) 1998-05-11
EP1029381B1 (en) 2002-07-17
US6384569B1 (en) 2002-05-07
WO1998016962A8 (en) 1999-10-21
DE69622440D1 (en) 2002-08-22
DE69622440T2 (en) 2002-11-14
HU221405B1 (en) 2002-09-28
HU9602862D0 (en) 1996-11-28
HUP9602862A3 (en) 2000-03-28
EP1029381A1 (en) 2000-08-23

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